WO2023231921A1 - Procédé de commutation de détection sans fil et dispositif associé - Google Patents

Procédé de commutation de détection sans fil et dispositif associé Download PDF

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Publication number
WO2023231921A1
WO2023231921A1 PCT/CN2023/096550 CN2023096550W WO2023231921A1 WO 2023231921 A1 WO2023231921 A1 WO 2023231921A1 CN 2023096550 W CN2023096550 W CN 2023096550W WO 2023231921 A1 WO2023231921 A1 WO 2023231921A1
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Prior art keywords
sensing
indicator
service
signaling
perform
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PCT/CN2023/096550
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English (en)
Chinese (zh)
Inventor
丁圣利
姜大洁
李健之
姚健
袁雁南
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维沃移动通信有限公司
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Publication of WO2023231921A1 publication Critical patent/WO2023231921A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the present application belongs to the field of communication technology, and specifically relates to a wireless sensing switching method and device.
  • Embodiments of the present application provide a wireless sensing switching method and device, which can solve the problem that there is no clear wireless sensing switching solution in related technologies and affects the continuity of sensing services.
  • a wireless sensing switching method including: a first device determines whether a device for performing sensing services needs to be switched; if it is determined that a device for performing sensing services needs to be switched, the first device performs a third An operation, the first operation includes at least one of the following: determining a second device that performs sensing services after handover; determining a candidate device list, where the candidate device list includes at least one candidate device.
  • a wireless sensing switching method including: a second device receiving first signaling from a first device, where the first signaling includes at least one of the following: first indication information; first information ; Perception signal parameters; wherein the first indication information is used to indicate that the device that receives the first signaling is a device that performs the sensing service after handover; the first information is used to perform the sensing service; the The sensing signal parameters are used to perform the sensing service.
  • a first device including: a determining module for determining whether switching is required to execute A device that senses services; an execution module configured to perform a first operation when it is determined that a device that performs sensing services needs to be switched, and the first operation includes at least one of the following: determining a second device that performs sensing services after switching; A candidate device list is determined, where the candidate device list includes at least one candidate device.
  • a second device including: a receiving module configured to receive first signaling from the first device, where the first signaling includes at least one of the following: first indication information; information; sensing signal parameters; wherein the first indication information is used to indicate that the device that receives the first signaling is a device that performs sensing services after handover; the first information is used to perform the sensing services; the The sensing signal parameters are used to execute the sensing service; the execution module is used to execute the sensing service according to the first signaling.
  • a first device in a fifth aspect, includes a processor and a memory.
  • the memory stores a program or instructions executable on the processor. The program or instructions are executed by the processor. When implementing the steps of the method described in the first aspect.
  • a first device including a processor and a communication interface, wherein the processor is used to determine whether a device for performing sensing services needs to be switched; when it is determined that a device for performing sensing services needs to be switched , perform a first operation, the first operation includes at least one of the following: determining a second device that performs sensing services after handover; determining a candidate device list, where the candidate device list includes at least one candidate device.
  • a second device in a seventh aspect, includes a processor and a memory.
  • the memory stores programs or instructions executable on the processor. The programs or instructions are executed by the processor. When implementing the steps of the method described in the second aspect.
  • a second device including a processor and a communication interface, wherein the communication interface is used to receive first signaling from the first device, and the first signaling includes at least one of the following : first indication information; first information; sensing signal parameters; wherein, the first indication information is used to indicate that the device that receives the first signaling is a device that performs sensing services after handover; the first information is for executing the sensing service; the sensing signal parameters are used for executing the sensing service; and the processor is used for executing the sensing service according to the first signaling.
  • a ninth aspect provides a wireless sensing switching system, including: a first device and a second device.
  • the first device can be used to perform the steps of the method described in the first aspect.
  • the second device can be used to perform The steps of the method as described in the second aspect.
  • a readable storage medium In a tenth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method are implemented as described in the first aspect. The steps of the method described in the second aspect.
  • a chip in an eleventh aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the method described in the first aspect. The steps of a method, or steps of implementing a method as described in the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement as described in the first aspect
  • the first device determines whether it is necessary to switch the device used to perform sensing services. If switching is required, the first device performs a first operation.
  • the first operation includes at least one of the following: determining that after switching A second device that performs sensing services; determines a candidate device list including at least one candidate device.
  • the embodiments of the present application are conducive to switching the device that performs the sensing service, avoiding interruption of the sensing service, allowing the sensing service to continue to be executed, and improving the sensing quality of the sensing service.
  • Figure 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • Figure 2 is a schematic flow chart of a wireless sensing switching method according to an embodiment of the present application
  • Figure 3 is a specific application diagram of the wireless sensing switching method according to an embodiment of the present application.
  • Figure 4 is a specific application diagram of the wireless sensing switching method according to an embodiment of the present application.
  • Figure 5 is a specific application diagram of the wireless sensing switching method according to an embodiment of the present application.
  • Figure 6 is a specific application diagram of the wireless sensing switching method according to an embodiment of the present application.
  • Figure 7 is a schematic flow chart of a wireless sensing switching method according to an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of a first device according to an embodiment of the present application.
  • Figure 9 is a schematic structural diagram of a second device according to an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • Figure 11 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • Figure 12 is a schematic structural diagram of a network side device according to an embodiment of the present application.
  • Figure 13 is a schematic structural diagram of a network side device according to an embodiment of the present application.
  • first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
  • the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • LTE Long-term evolution
  • LTE-Advanced, LTE-A Long-term evolution
  • LTE-Advanced, LTE-A Long-term evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • NR New Radio
  • FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • PDA Personal Digital Assistant
  • UMPC ultra-mobile personal computer
  • UMPC mobile Internet device
  • MID mobile Internet Device
  • AR augmented reality
  • VR virtual reality
  • robots wearable devices
  • WUE Vehicle User Equipment
  • PUE Pedestrian User Equipment
  • smart home home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.
  • game consoles personal computers (personal computer, PC), teller machine or self-service machine and other terminal-side devices.
  • Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets) bracelets, smart anklets, etc.), smart wristbands, smart clothing, etc.
  • the network side device 12 may include an access network device or a core network device, where the access network device may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a wireless device.
  • Access network equipment may include a base station, a Wireless Local Area Network (WLAN) access point or a WiFi node, etc.
  • the base station may be called a Node B, an evolved Node B (eNB), an access point, or a base station.
  • BTS Base Transceiver Station
  • BSS Basic Service Set
  • ESS Extended Service Set
  • home B-node home evolved B-node
  • TRP Transmission Reception Point
  • the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only The base station in the NR system is taken as an example for introduction, and the specific type of base station is not limited.
  • Core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Service Discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function, AF), etc.
  • MME mobility management entities
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • PCF Policy Control Function
  • PCF Policy
  • the first device may be: a device used to perform sensing services before sensing handover and/or a sensing function (Sensing Function) network element.
  • Sensing Function Sensing Function
  • the device used to perform sensing services after sensing handover can be a terminal (User Equipment (UE)), a base station, or other devices with wireless signal receiving/transmitting capabilities. It can be one or more equipment.
  • UE User Equipment
  • base station or other devices with wireless signal receiving/transmitting capabilities. It can be one or more equipment.
  • the device used to perform sensing services before sensing handover may be a UE, a base station, or other devices capable of receiving/transmitting wireless signals, and may be one or more devices.
  • the device used to perform sensing services before sensing switching may also be called a third device in the following text.
  • the sensing function network element can be a network function node in the core network and/or the radio access network (Radio Access Network, RAN) responsible for at least one function such as sensing request processing, sensing resource scheduling, sensing information interaction, sensing data processing, etc., and can It is based on the upgrade of Access and Mobility Management Function (AMF) or Location Management Function (LMF) in the existing 5G network. It can also be other network function nodes or newly defined network function nodes.
  • AMF Access and Mobility Management Function
  • LMF Location Management Function
  • the signaling interaction method between the third device that is, the device used to perform sensing services before sensing handover), the second device, and the sensing function network element includes:
  • this method can be used for direct signaling interaction with the sensing function network element; in addition, if the third device and the second device are both base stations, Then the signaling interaction between the third device and the second device may also adopt this method.
  • the third device or the second device is a UE, the signaling interaction between it and the sensing function network element can be in this way, that is, the UE needs to first pass the air interface (Uu interface) ) communicates with the access base station, and then conducts signaling interaction through the network between the access base station and the sensing function network element.
  • this method can be used for direct signaling interaction between the third device and the second device.
  • Permutations and combinations of the above signaling interaction methods that is, the signaling interaction between the third device, the second device, and the sensing function network element can also be indirect signaling through any one or a combination of the above signaling interaction methods.
  • Interaction forwarding
  • the third device is a UE and the second device is also a UE
  • a feasible way of signaling interaction between the second device and the sensing function network element is that the second device first communicates with the third device through Sidelink.
  • the third device communicates with the sensing function network element through the air interface (Uu interface) and network, thereby realizing signaling interaction between the second device and the sensing function network element.
  • the embodiment of the present application provides a wireless sensing switching method 200.
  • the method can be executed by the first device.
  • the method can be executed by software or hardware installed on the first device.
  • the method includes the following step.
  • S202 The first device determines whether the device used to perform the sensing service needs to be switched.
  • the first device may be: a device used to perform sensing services before sensing handover (or called a third device) and/or a sensing function network element.
  • the first device mentioned in various embodiments of this application determines whether it needs to switch the device used to perform sensing services, including one of the following:
  • the first device independently determines whether it needs to switch the device used to perform the sensing service.
  • the first device is a device used to perform sensing services before sensing switching (or is also called a third device), and the third device independently determines whether it is necessary to switch the device used to perform sensing services.
  • the first device determines whether it is necessary to switch the device used to perform the sensing service based on the received first request information.
  • the first request information is sent by the device that performs the sensing service before the switch.
  • the first request information is performed before the switch.
  • the device that senses the service determines whether it is necessary to switch the device that senses the service.
  • the first device is a sensing function network element.
  • the device used to perform sensing services before sensing switching (or called a third device) sends a first request to the sensing function network element after determining whether it is necessary to switch to a device that performs sensing services.
  • Information, the first request information is used to indicate whether it is necessary to switch the device used to perform the sensing service.
  • the first device When it is determined that the device that performs the sensing service needs to be switched, the first device performs a first operation, and the first operation includes at least one of the following: determining a second device that performs the sensing service after switching; determining a candidate device list, The candidate device list includes at least one candidate device, the candidate device supports performing the sensing service, and the candidate device is used to determine a second device that performs the sensing service after switching.
  • the situation where it is necessary to switch the device that performs the sensing service includes: the device that performs the sensing service before switching (or is called a third device) meets at least one of the following:
  • the first indicator does not meet the requirements of the first threshold, and the first indicator includes at least one of the following: a perceptual measurement quantity, a perceptual result, a performance indicator related to the perceptual measurement quantity, and a performance indicator related to the perceptual result.
  • the third device or sensing function network element compares the first indicator with the first threshold, and the first indicator does not meet the requirements of the first threshold.
  • the third device has insufficient power, or a software or hardware failure occurs.
  • the “satisfying” or “not meeting” the “requirements of the first threshold” mentioned in various embodiments of this application refers to whether it is within the range specified by the “first threshold”. Depending on the content of the “first indicator”, the meaning of “meeting” or “not meeting” the “first threshold requirements” is slightly different.
  • the first indicator includes signal strength/signal power (for example: Reference Signal Receiving Power (RSRP), Received Signal Strength Indication (RSSI)) or signal quality (for example: echo (Signal Noise Ratio, SNR)), etc.
  • RSRP Reference Signal Receiving Power
  • RSSI Received Signal Strength Indication
  • SNR Signal Noise Ratio
  • the first operation performed by the first device includes at least one of the following:
  • the candidate device list includes one or more candidate devices, and the candidate devices support execution of the sensing service.
  • the first device may also determine a second device that performs sensing services after handover from candidate devices.
  • the first device can also perform signaling interaction with the second device, so that the second device continues to perform the sensing service as the switched device; the third device can also exit, that is, not Then execute the sensing service.
  • the first device determines whether it needs to switch a device used to perform sensing services. If switching is required, the first device performs a first operation.
  • the first operation includes at least one of the following: : Determine the second device that performs sensing services after handover; determine a candidate device list including candidate devices.
  • the embodiments of the present application are conducive to switching the device that performs the sensing service, avoiding interruption of the sensing service, allowing the sensing service to continue to be executed, and improving the sensing quality of the sensing service.
  • the method further includes: the first device obtains a first indicator, and the first The indicators include at least one of the following: perceptual measurement quantity, perceptual result, performance indicator related to the perceptual measurement quantity, and performance indicator related to the perceptual result.
  • the method for the first device to obtain the first indicator may be: the device used to perform the sensing service before the sensing switch (or called the third device) sends and receives the first sensing signal to obtain the third data; then, the third device A device performs signal processing and/or data processing on the third data, which may include one of the following:
  • the third device performs the first operation on the third data to obtain the first indicator.
  • the third device sends the first indicator to the sensing function network element.
  • the third device performs a second operation on the third data to obtain the intermediate measurement quantity/intermediate sensing result, and combines the The intermediate measurement quantity/intermediate sensing result is sent to the sensing function network element, and the sensing function network element performs a third operation on the intermediate measurement quantity/intermediate sensing result to obtain the first index.
  • the third device sends the third data to the sensing function network element, and the sensing function network element performs a first operation on the third data to obtain the first indicator.
  • the method further includes: the first device comparing the first indicator with a second threshold to determine whether it is necessary to switch. Perform perceptual adaptive adjustment; if the first indicator does not meet the requirements of the second threshold, perform perceptual adaptive adjustment; wherein the perceptual adaptive adjustment includes adjusting perceptual signal parameters, and the perceptual signal parameters are used for Execute the sensing service. It can be understood that if the first indicator meets the requirements of the second threshold, there is no need to perform perceptual adaptive adjustment.
  • the adjusting sensing signal parameters includes: adjusting at least one of the following among the sensing signal parameters: signal waveform; signal format; frequency domain configuration; time domain configuration; spatial domain configuration; energy domain configuration.
  • the method further includes: if the sensing signal parameter has been adjusted to a limit value within the allowable range, and the first indicator does not meet the requirements of the second threshold , then perform the step of S202 to determine whether it is necessary to switch the device used to perform the sensing service; or, if the first indicator meets the requirements of the second threshold, perform the step of obtaining the first indicator.
  • the method further includes at least one of the following:
  • the first device is a sensing function network element
  • the sensing function network element determines a second device that performs sensing services after switching, and the sensing function network element sends a first signaling to the second device, and the first signaling is used to The device that received the first signaling is notified to be selected as the second device.
  • the first device is a sensing function network element
  • the sensing function network element determines a candidate device list
  • the sensing function network element sends a second signaling to the candidate device in the candidate device list, where the second signaling is used to notify that the first The second signaling device is selected as a candidate device in the candidate list.
  • the first signaling or the second signaling includes at least one of the following:
  • First indication information the first indication information is used to indicate that the device that receives the first signaling or the second signaling is the second device or candidate device that performs sensing services after handover.
  • the first signaling or the second signaling may include all or part of the first information.
  • the first information includes at least one of the following: sensing capability information of the device; sensing contract information of the device: sensing permission information of the device; location information of the device; sensing requirement information; sensing prior information; sensing context information .
  • Sensing signal parameters wherein the sensing signal parameters are used to perform the sensing service.
  • the method when the first operation includes determining a candidate device list, after the first device performs the first operation, the method further includes: selecting the candidate device from the candidate device list. Among the candidate devices, a second device that performs sensing services after handover is determined.
  • the first device can determine one or more second devices from the multiple candidate devices for performing the sensing task.
  • the second device determined from the candidate devices satisfies at least one of the following:
  • the corresponding second indicator meets the requirements of the first threshold better than the first indicator, and the difference or ratio between the second indicator and the first indicator meets the requirements of the fourth threshold.
  • the first indicator corresponds to a device that performs sensing services before handover
  • the second indicator corresponds to the candidate device
  • the first indicator and the second indicator include at least one of the following: sensing measurement amount, Perception results, performance indicators related to the measurement quantity of perception, performance indicators related to the results of perception.
  • the method for obtaining the second indicator includes: the candidate device determines the sensing signal parameters corresponding to the candidate device; the candidate device performs sensing services according to the sensing signal parameters to obtain the first data.
  • the device and/or sensing function network element performs signal processing and/or data processing on the first data to obtain the second indicator.
  • the method when the first operation includes determining a candidate device list, after the first device performs the first operation, the method further includes: if the candidate device list is If no second device that performs the sensing service is determined among the candidate devices, sensing switching will not be performed, and second indication information will be reported to the core network and/or the sensing service initiator. The second indication information is used to indicate that the sensing service is not determined. out the second device that performs sensing services.
  • the method further includes at least one of the following:
  • the first device sends the first signaling to the second device.
  • the meaning of the first signaling can be found in the previous introduction.
  • the first device sends third indication information to a candidate device other than the second device in the candidate device list, where the third indication information is used to indicate that the candidate device is not selected as the second device. equipment.
  • the first device after the first device sends the first signaling to the second device, the following steps may also be included: the first device receives a third signaling, and the third signaling is used to indicate the following: One: the second device agrees to perform the sensing service; the second device refuses to perform the sensing service.
  • the second device after receiving the first signaling, the second device may send the third signaling to the first device.
  • This embodiment may also include the following steps: if the third signaling indicates that the second device refuses to perform the sensing service, re-execute one of the following: 1) The first operation described in S204, that is, re-execute the first operation. One operation; 2) Determine the second device that performs sensing services after handover from the candidate devices in the candidate device list, that is, re-determine the second device from the candidate devices in the candidate device list.
  • the first device is a sensing function network element
  • the third signaling indicates that the second device agrees to perform the sensing service.
  • the method further includes at least one of the following:
  • the sensing function network element receives the third indicator sent by the second device.
  • the sensing function network element receives the intermediate measurement quantity or intermediate sensing result sent by the second device.
  • the sensing function network element receives the second data sent by the second device.
  • the The method further includes: the third device determines to no longer perform the sensing service based on at least one of the following:
  • the third device determines that sensing switching is needed and no longer performs the sensing services; for another example, when a software or hardware problem occurs in the third device, the third device The third device determines that sensing switching is required and no longer performs the sensing service.
  • the second device starts performing the sensing task. For example, after the sensing function network element receives the third signaling from the second device, if the third signaling indicates that the second device agrees to perform the sensing service, the sensing function network element immediately instructs the third device (that is, to perform sensing before handover). Service equipment) stops executing the sensing service. For another example, the third device (that is, the device that performs the sensing service before handover) stops executing the sensing service after receiving the third signaling from the second device.
  • the first indicator corresponding to the third device.
  • the first indicator includes at least one of the following: a perceptual measurement quantity, a perceptual result, a performance indicator related to the perceptual measurement quantity, and a performance indicator related to the perceptual result.
  • the third device determines, based on the first indicator corresponding to the third device, to no longer perform the sensing service, including one of the following:
  • the third device receives fourth signaling indicating that the third device no longer performs the sensing service, determine that the sensing service is no longer performed, wherein: The fourth signaling is sent when the sensing function network element determines that the first indicator does not meet the requirements of the fifth threshold.
  • the judgment result obtained by the third device is that the first indicator does not meet the requirements of the fifth threshold, and the third device reports the judgment result to the sensing function network element, and the third device receives Fourth signaling.
  • the fourth signaling indicates that the third device no longer performs the sensing service, it determines that the sensing service is no longer performed, wherein the fourth signaling is a sensing function network element. Sent based on the judgment results.
  • the third indicator corresponding to the second device.
  • the third indicator includes at least one of the following: a perceptual measurement quantity, a perceptual result, a performance indicator related to the perceptual measurement quantity, and a performance indicator related to the perceptual result.
  • the third device determines, based on the third indicator corresponding to the second device, to no longer perform the sensing service, including one of the following:
  • the third device determines that the third indicator reported by the second device meets the requirements of the sixth threshold, it determines not to perform the sensing service
  • the third device receives fourth signaling indicating that the third device no longer performs the sensing service, determine that the sensing service is no longer performed, wherein: The fourth signaling is sent when the sensing function network element determines that the third indicator meets the requirements of the sixth threshold;
  • the third device receives fourth signaling indicating that the third device no longer performs the sensing service, determine that the sensing service is no longer performed, wherein: The fourth signaling is sent when the sensing function network element receives a judgment result from the second device, and the judgment result indicates that the third indicator meets the requirement of the sixth threshold.
  • Step 1 The first device (ie, the third device and/or the sensing function network element introduced above) obtains the first indicator.
  • the first indicator includes at least one of the following: a perceptual measurement quantity, a perceptual result, a performance indicator related to the perceptual measurement quantity, and a performance indicator related to the perceptual result.
  • the first indicator may include at least one of the following:
  • Signal strength/signal power category including at least one of the following: echo signal power, reference signal receiving power (Reference Signal Receiving Power, RSRP), received signal strength indication (Received Signal Strength Indication, RSSI).
  • RSRP Reference Signal Receiving Power
  • RSSI Received Signal Strength Indication
  • Signal quality category including at least one of the following: echo signal to noise ratio (Signal Noise Ratio, SNR), echo signal to interference plus noise ratio (Signal to Interference plus Noise Ratio, SINR), echo signal to clutter ratio (SCR) ), echo signal clutter-to-noise ratio (SCIR), reference signal receiving quality (Reference Signal Receiving Quality, RSRQ).
  • SNR Signal to noise ratio
  • SINR Signal to interference plus noise ratio
  • SINR Signal to clutter ratio
  • SCIR echo signal clutter-to-noise ratio
  • RSRQ Reference Signal Receiving Quality
  • Sense the motion status parameters of the object including at least one of the following:
  • the motion state parameters in the polar coordinate system directly obtained by radar detection include at least one of the following: distance, speed, azimuth angle, and pitch angle.
  • Motion parameters in the Cartesian coordinate system after coordinate transformation including at least one of the following: x-axis coordinate, y-axis coordinate, z-axis coordinate, x-axis direction speed, y-axis direction speed, and z-axis direction speed.
  • Signal strength/signal power, and/or signal quality, and/or related performance indicators of the motion state parameters of the sensing object including at least one of the following:
  • the mean value can be the mean value of all sample points within the calculation range, or the mean value after removing the largest and/or smallest sample points.
  • Variance/standard deviation which can be the variance/standard deviation of all sample points within the calculation range, or the variance/standard deviation after removing the largest and/or smallest sample points.
  • the variance/standard deviation of the residual which refers to the difference between the measured value of the second sensing frame and the predicted value of the first sensing frame for the second sensing frame , where the second sensing frame is after the first sensing frame (not necessarily adjacent)
  • the variance/standard deviation can be the variance/standard deviation of all sample points within the calculation range, or removing the largest and/or smallest ones Variance/standard deviation after sample points.
  • Prediction error covariance obtained in prediction algorithms (such as Kalman filtering).
  • the calculation of the first indicator may be based on at least one of the following resource range signals, or a combination of two or more of them:
  • Time dimension one or more sensing signal periods, or one or more sensing frame periods.
  • Frequency dimension one or more OFDM subcarriers, or a specified frequency range.
  • Delay (distance) dimension one or more delay resolution units, or a specified delay range.
  • Doppler (velocity) dimension one or more Doppler resolution units, or a specified Doppler range.
  • Angle dimension one or more angle resolution units, or a specified angle range.
  • the method for the third device and/or the sensing function network element to obtain the first indicator is: the third device sends and receives the first sensing signal, obtains the third data, and the third device and/or the sensing function network element
  • the third data performs signal processing and/or data processing, including one of the following:
  • the third device performs the first operation on the third data to obtain the first index.
  • the third device sends the first indicator to the sensing function network element.
  • the third device performs the second operation on the third data to obtain the intermediate measurement quantity/intermediate sensing result, and sends the intermediate measurement quantity/intermediate sensing result to the sensing function network element, and the sensing function network element performs the intermediate measurement Perform the third operation on the quantity/intermediate perception result to obtain the first index.
  • the third device sends the third data to the sensing function network element, and the sensing function network element performs a first operation on the third data to obtain the first indicator.
  • Step 2 (This step is optional) Perceptual adaptive adjustment.
  • the third device or the sensing function network element compares the first indicator with the second threshold to determine whether sensing adaptive adjustment is needed: If the first index meets the requirements of the second threshold, there is no need to perform sensing adaptive adjustment; If the indicator does not meet the requirements of the second threshold, perception adaptive adjustment is required.
  • the adaptive sensing adjustment includes adjusting at least one of the following sensing signal parameters:
  • Signal waveforms such as: OFDM, Orthogonal Time Frequency Space (OTFS), Frequency Modulated Continuous Wave (FMCW), Single Carrier Frequency Division Multiple Access (Single Carrier Frequency Division Multiple Access) , SC-FDMA), etc.
  • OFDM Orthogonal Time Frequency Space
  • FMCW Frequency Modulated Continuous Wave
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • Signal format such as: Demodulation Reference Signal (DMRS), Positioning Reference Signals (PRS), Channel State Information-Reference Signal (CSI-RS), etc.
  • DMRS Demodulation Reference Signal
  • PRS Positioning Reference Signals
  • CSI-RS Channel State Information-Reference Signal
  • Frequency domain configuration including: bandwidth, subcarrier spacing, starting frequency, starting position of resource block (RB) or resource element (Resource Element, RE), offset of RB or RE, adjacent RE Or the frequency domain interval between adjacent RBs, the bitmap of RE or RB.
  • Time domain configuration including: sensing signal period, sensing frame period, sensing update period, starting position of OFDM symbols or time slots, offset of OFDM symbols or time slots, and time between adjacent OFDM symbols or time slots Bitmap of intervals, OFDM symbols or slots.
  • Airspace configuration including: beam direction, antenna parameter configuration, quasi-co-location (QCL) relationship between beams, etc.; the antenna parameter configuration further includes: antenna panel configuration (including: antenna panel quantity, coordinates, etc.), antenna array element configuration (including: the number of antenna array elements, coordinates, etc.), multiple input multiple output (MIMO) configuration (including: orthogonal mode of multi-channel signals and corresponding parameters), etc., as described Orthogonal methods of multi-channel signals include Time Division Multiplexing (TDM), Frequency Division Multiplexing (FDM), Doppler Division Multiplexing (DDM), and Code Division Multiplexing (Code Division Multiplexing) , CDM) etc.
  • TDM Time Division Multiplexing
  • FDM Frequency Division Multiplexing
  • DDM Doppler Division Multiplexing
  • CDM Code Division Multiplexing
  • Energy domain configuration including: peak power, average power, etc.
  • the "satisfying” or “not meeting” the “second threshold requirements” mentioned in various embodiments of this application refers to whether it is within the range specified by the "second threshold”. Depending on the content of the "first indicator”, the meaning of “meeting” or “not meeting” the “second threshold requirements” is slightly different.
  • the first indicator includes signal strength/signal power (for example: RSRP, RSSI) or signal quality (for example: SNR)
  • the first indicator meets the requirements of the second threshold means “the first indicator Greater than the second threshold”
  • the first indicator includes the coordinates in the motion state parameters, etc.
  • the first indicator meets the requirements of the second threshold means "the first indicator is within the range specified by the second threshold "
  • the first indicator includes the variance in the relevant performance indicators, etc.
  • the first indicator meets the requirements of the second threshold means “the first indicator is less than the second threshold.”
  • the following “first threshold”, “third threshold”, etc. also have the same meaning.
  • Step 3 (Tie to step 2) Termination of perceptual adaptive adjustment.
  • Steps 2 and 3 are optional, you can also go directly to step 4 from step 1.
  • Step 4 Judgment of perceptual switching.
  • the third device or the sensing function network element determines whether the device used to perform the sensing service needs to be switched. When at least one of the following events is met, the device performing the sensing service needs to be switched:
  • Event type 1 The third device or sensing function network element compares the first indicator with the first threshold: the first indicator does not meet the requirements of the first threshold.
  • Event type 2 The resources used by the third device to perform the sensing service are insufficient to continue to perform the sensing service; for example: part or all of at least one of the time, frequency, antenna, power and other resources used by the third device to perform the sensing service It is occupied by high-priority services and is not sufficient to continue executing sensing services.
  • Event type 3 Other software or hardware problems occur on the third device; for example: low battery, or software or hardware failure.
  • the third device or the sensing function network element performs the above judgment, which can be divided into the following situations:
  • the first request information is used to report the signaling of the judgment result to the sensing function network element when the third device judges that it needs to switch the device that performs the sensing service.
  • the first request information also includes the above-mentioned event types, that is, event type 1, event type 2, or event type 3.
  • Step 5 Execution of Aware Handover: Device Selection.
  • the sensing function network element selects equipment based on the first information, including at least one of the following:
  • the sensing function network element determines the second device that performs the sensing service after handover. In this case, there is no need to perform the following steps 6 and 7.
  • the sensing function network element sends first signaling to the second device, where the first signaling is used to notify the device that has received the signaling to be selected as the second device.
  • the sensing function network element determines a list of candidate devices used to perform sensing services after handover.
  • the candidate device list includes at least one candidate device. In this case, the following steps 6 and 7 need to be entered.
  • the sensing function network element sends second signaling to the candidate device in the candidate device list, where the second signaling is used to notify the device that has received the signaling to be selected as the candidate device in the candidate list.
  • the first signaling and/or second signaling further includes at least one of the following:
  • the first information includes at least one of the following:
  • Sensing contract information of the device whether the device agrees to perform the sensing service, and the restrictions on the device agreeing to perform the sensing service (for example: the time range and spatial range in which the device agrees to perform the sensing service).
  • Sensing permission information of the device (core network, regulatory authorities, etc.) whether the device is allowed to perform sensing services and the restrictions on allowing the device to perform sensing services (for example: the time range and spatial range in which the device is allowed to perform sensing services).
  • Perceived demand information including at least one of the following:
  • Sensing object type Classify sensing objects according to their possible motion characteristics. Each sensing object type includes the motion speed range, motion acceleration range, and typical radar cross section (RCS) of typical sensing objects. and other information;
  • Perception target area the spatial location range that requires imaging or three-dimensional reconstruction
  • Performance indicators for sensing the sensing target area or sensing object including at least one of the following: sensing resolution (further divided into: ranging resolution, angle measurement resolution , speed measurement resolution, imaging resolution), etc., perception accuracy (which can be further divided into: distance measurement accuracy, angle measurement accuracy, speed measurement accuracy, positioning accuracy, etc.), perception range (which can be further divided into: distance measurement range, speed measurement range, Angle measurement range, imaging range, etc.), sensing delay (the time interval from sending the sensing signal to obtaining the sensing result, or the time interval from initiating the sensing requirement to obtaining the sensing result), sensing update rate (performing sensing twice in a row) and obtain the time interval of sensing results), detection probability (the probability of being correctly detected when the sensing object exists), and false alarm probability (the probability of incorrectly detecting the sensing target when the sensing object does not exist).
  • sensing resolution further divided into: ranging resolution, angle measurement resolution , speed measurement resolution, imaging resolution
  • perception accuracy which can be further divided into: distance measurement accuracy, angle
  • Perceive prior information including at least one of the following:
  • Perceive contextual information including at least one of the following:
  • the motion status information of the sensing object obtained by the third device and/or the device before the third device performing the sensing service including at least one of the following:
  • 1Motion status information in the polar coordinate system including at least one of the following: distance, speed, azimuth angle, and pitch angle.
  • 2Motion status information in the rectangular coordinate system including at least one of the following: x-axis coordinate, y-axis coordinate, z-axis coordinate, x-axis direction speed, y-axis direction speed, and z-axis direction speed.
  • the device's sensing capability information, sensing contract information, and sensing license information in the first information may be obtained in at least one of the following ways:
  • the network node may be a sensing function network element, or a network node directly or indirectly accessible to the sensing function network element.
  • the sensing network element sends query information to the device, and the device reports at least one of its own sensing capability information, sensing contract information, and sensing license information according to the query information requirements.
  • the location information of the device in the first information may be obtained in at least one of the following ways:
  • the location information of the device is known and can be accessed by accessing the network function that stores the location information of the device (such as network management system, unified data management UDM) , or reported by the device to obtain device location information;
  • the network function that stores the location information of the device (such as network management system, unified data management UDM) , or reported by the device to obtain device location information;
  • the method of obtaining location information may be to request and obtain location information from the positioning management function or other service functions.
  • the positioning management function may be LMF (Location Management Function, location management function), a network function that receives Minimization of Drive Test (MDT) location information;
  • the positioning service function may be an application service (Application Function, AF) , the AF can be a positioning server such as Wi-Fi, Bluetooth, Zigbee or UWB, or it can be an application function (such as a map APP) that can obtain positioning information such as GPS.
  • LMF Location Management Function
  • MDT Minimization of Drive Test
  • the positioning service function may be an application service (Application Function, AF)
  • the AF can be a positioning server such as Wi-Fi, Bluetooth, Zigbee or UWB, or it can be an application function (such as a map APP) that can obtain positioning information such as GPS.
  • AF Application Function
  • Other sensing nodes or synaesthesia integration nodes sense the device whose location is to be acquired to obtain the location information of the device whose location is to be acquired.
  • the sensing requirement information and sensing prior information in the first information are received by the sensing function network element from the sensing service initiator or other related network nodes.
  • the sensing context information in the first information is obtained by a third device or a sensing function network element during the execution of sensing services; if the sensing context information is obtained by a third device, the sensing function network element needs to obtain it from the third device. Receive perceptual context information.
  • Step 6 (This step is optional) Execution of sensing handover: The candidate device performs sensing services. This step is only performed if step 5 is option B.
  • the candidate device in the candidate device list After the candidate device in the candidate device list receives the second signaling sent by the sensing function network element, it performs sensing measurement in the device selection process of sensing handover, that is, the candidate device performs the sensing service, including the following steps:
  • sensing signal parameters is the same as step 2, including at least one of the following methods:
  • the candidate devices in the candidate device list perform sensing services according to their respective sensing signal parameters to obtain the first data.
  • the sensing function network elements and/or the candidate devices in the candidate device list perform signal processing and/or data processing on the first data and are performed by each candidate device.
  • the second indicator of perceived service includes the following options:
  • the candidate device performs the first operation on the first data to obtain the second index.
  • the candidate device sends the second indicator to the sensing function network element.
  • the candidate device compares the second indicator with a certain threshold, and only when the second indicator satisfies If the threshold requirement is met, the candidate device reports the second indicator to the sensing function network element.
  • the candidate device performs the second operation on the first data to obtain the intermediate measurement quantity/intermediate sensing result, and sends the intermediate measurement quantity/intermediate sensing result to the sensing function network element, and the sensing function network element evaluates the intermediate measurement quantity /The intermediate sensing result is subjected to the third operation to obtain the second index.
  • the candidate device sends the first data to the sensing function network element, and the sensing function network element performs a first operation on the first data to obtain the second indicator.
  • the second indicator has the same meaning as the first indicator.
  • Step 7 Execution of aware handover: Select the second device from the list of candidate devices. This step is only performed if step 5 is option B.
  • the sensing function network element selects one or more devices from the candidate device list according to the second indicator to perform sensing services after handover, which is the second device, including at least one of the following options:
  • the sensing function network element compares the second indicator corresponding to the candidate device in the candidate device list with the third threshold. If the second indicator corresponding to a candidate device meets the requirements of the third threshold, the candidate device is regarded as the third threshold. The second device or one of the second devices.
  • the sensing function network element compares the second indicator corresponding to the candidate device in the candidate device list with the first indicator corresponding to the third device performing the sensing service before triggering the sensing handover process. If the second indicator of a candidate device is consistent with If the first indicator of the third device can better meet the first threshold (see step 4), and the difference or ratio between the second indicator and the first indicator meets the requirements of the fourth threshold, then the candidate will be device as a second device or one of the second devices.
  • Example 1 The first index and the second index are both echo signal-to-noise ratio SNR, the second index is greater than the first index, and the ratio (in decimal system) or difference (in logarithmic system) between the second index and the first index dB) is greater than a certain value, the candidate device is listed as the second device.
  • Example 2 The first index and the second index are both the distance of the sensing object. The position of the sensing object described in the second index is smaller than the position of the sensing object described in the first index, that is, the sensing object is closer to the candidate device. And if the difference (negative number) between the distance of the sensing object from the candidate device and the distance from the third device is less than a certain value, the candidate device is listed as the second device.
  • one or more candidate devices in the candidate device list that satisfy at least one of condition 1 and condition 2 have the largest or smallest second indicator (according to the meaning of the second indicator) as the second device or the third device.
  • sensing handover will not be performed, and the sensing function network element will report this to the core network and/or the sensing service initiator. event.
  • the sensing function network element After the sensing function network element completes the above-mentioned selection of the second device from the candidate device list, it sends signaling to the device in the candidate list as follows:
  • the sensing function network element sends the first signaling (see step 5 for the meaning) to the candidate device selected as the second device, indicating that it is selected as the second device.
  • the sensing function network element sends signaling to devices other than the second device in the candidate device list (i.e., the third pointing device information) indicating that they are not selected as devices used for switching to perform sensing services, so as to release the occupation of these devices.
  • Step 8 Execution of perceptual switching: switching to the second device.
  • the second device After receiving the first signaling, the second device sends the third signaling to the sensing function network element or the third device.
  • the content of the third signaling includes the following options:
  • the second device When the second device agrees to perform the sensing service, the second device starts to perform the sensing service, including the following process:
  • sensing signal parameters is the same as step 2, including at least one of the following methods:
  • the second device performs the sensing service according to the sensing signal parameters to obtain the second data.
  • the sensing function network element and/or the second device performs signal processing and/or data processing on the second data to obtain the third indicator, including the following options:
  • the second device performs the first operation on the second data to obtain the third index.
  • the second device sends the third indicator to the sensing function network element or the third device.
  • the second device compares the third indicator with a certain threshold, and only when the third indicator meets the requirements of the threshold, the second device reports to the sensing function network element or the third device.
  • the third indicator is a certain threshold.
  • the second device performs the second operation on the second data to obtain the intermediate measurement quantity/intermediate sensing result, and sends the intermediate measurement quantity/intermediate sensing result to the sensing function network element, and the sensing function network element performs the intermediate measurement Perform the third operation on the quantity/intermediate perception result to obtain the third index.
  • the second device sends the second data to the sensing function network element, and the sensing function network element performs the first operation on the second data to obtain the third indicator.
  • step for the second device to obtain the third indicator is similar to step 1. It can be understood that when the second device is not suitable for performing the above-mentioned sensing service, sensing switching can also be performed according to the steps of this embodiment.
  • steps 6 and 7 are optional steps, when steps 6 and 7 are performed, the operation of obtaining the third indicator in step 8 can also be omitted (that is, not performed). In this way, subsequent The third indicator introduced can be replaced by the second indicator.
  • Step 9 Execution of aware switching: exit of the third device, including at least one of the following options:
  • step 4 Determine the need to exit immediately after sensing switching: In step 4, if it is event type 2 or event type 3, the exit of the third device must be in this situation. In step 4, if it is event type 1, this situation is optional. .
  • the second device exits when it starts to perform sensing:
  • the sensing function network element After the sensing function network element receives the third signaling from the second device, if the third signaling indicates that the second device agrees to perform sensing awareness service, the sensing function network element immediately sends a fourth signaling to the third device to instruct the third device to stop executing the sensing service.
  • the third device stops executing the sensing service after receiving the third signaling from the second device.
  • the third device stops executing the sensing service when it determines that its first indicator for executing the sensing service does not meet the requirements of the fifth threshold.
  • the sensing function network element determines that the first indicator of the third device's execution of the sensing service does not meet the requirements of the fifth threshold, it sends a fourth signaling to the third device to instruct the third device to stop executing the sensing service; wherein the sensing function network element obtains
  • the method of the first indicator is: reported by the third device, or obtained by the sensing function network element participating in the signal processing and/or data processing of the sensing service performed by the third device.
  • the third device determines that the first indicator of its sensing service execution does not meet the requirements of the fifth threshold, and reports the result to the sensing function network element.
  • the sensing function network element sends a message to the third device based on the judgment result reported by the third device.
  • the fourth signaling instructs the third device to stop executing the sensing service.
  • the third device determines that the third indicator reported by the second device meets the requirements of the sixth threshold, the third device stops executing the sensing service.
  • the sensing function network element determines that the third indicator of the second device meets the requirements of the sixth threshold, the sensing function network element sends a fourth signaling to the third device to instruct the third device to stop executing the sensing service.
  • the method for the sensing function network element to obtain the third indicator is: reported by the second device, or obtained by the sensing function network element participating in signal processing and/or data processing of the sensing service performed by the second device.
  • the second device determines that the third indicator meets the requirements of the sixth threshold, reports the result to the third device, and the third device stops executing the sensing service.
  • the second device determines that the third indicator meets the requirements of the sixth threshold, reports the result to the sensing function network element, and the sensing function network element sends a fourth signaling to the third device to instruct the third device to stop executing the sensing service.
  • the sensing function network element performs signaling interaction with a candidate device or a second device for the first time
  • the device is a mobile device and is in an inactive state
  • the random access process can first be used to make the device The device switches from inactive state to connected state.
  • this embodiment mentions the first to sixth thresholds, and these thresholds may be different; of course, there may also be situations where the thresholds are the same, for example, the fifth threshold is equal to the sixth threshold, and so on.
  • the degradation of signal quality caused by the movement of the sensing object triggers sensing switching.
  • the sensing object moves along a certain path
  • the sensing node A taking the base station's spontaneous self-receiving as an example, corresponding to the third device mentioned above
  • the sensing performance of sensing node A on the sensing object is lower than the preset threshold (corresponding to the first threshold in the previous technical solution part).
  • the sensing node B taking the base station's spontaneous self-receiving as an example, corresponding to the second device mentioned above
  • sensing node B starts to sense the sensing object.
  • the movement of the terminal device executing the sensing service causes a decrease in signal quality, triggering sensing switching.
  • sensing node A (taking UE's spontaneous self-receiving as an example, corresponding to the third device mentioned above) senses the sensing object (taking a car as an example).
  • the sensing node A moves farther and farther away from the sensing object from time n-1 to time n, causing the sensing performance of sensing node A to the sensing object to be lower than the preset threshold (corresponding to the first threshold in the technical solution section above).
  • the sensing node B (taking the UE's spontaneous self-reception as an example, corresponding to the second device mentioned above) is selected to switch to perform sensing.
  • the movement of sensing node B makes sensing node B closer and closer to the sensing object, making it suitable for performing sensing services.
  • the movement of the sensing object across cells triggers sensing switching.
  • sensing node A (taking the base station's self-receiving as an example, corresponding to the third device mentioned above) senses the sensing object (taking a car as an example).
  • sensing node A or sensing function network element determines that the location of the sensing object exceeds (or is about to exceed) the coverage range of sensing node A (the signal quality is not necessarily poor).
  • sensing node B (taking the base station's spontaneous self-receiving as an example, corresponding to the second device mentioned above) is selected to perform sensing of the sensing object after switching, so as to Get the best perceived performance.
  • vertical switching is performed according to the speed of the sensing object, switching from the micro base station to the macro base station.
  • sensing node A (taking the micro base station's self-receiving as an example, corresponding to the third device mentioned above) senses the sensing object (taking a car as an example). At time n, sensing node A or the sensing function network element determines that the motion speed of the sensing object has increased and will soon exceed the coverage range of sensing node A. Under the scheduling and coordination of the sensing function network element, the sensing node B (taking the macro base station's spontaneous self-reception as an example, corresponding to the second device mentioned above) is selected to perform sensing of the sensing object after handover.
  • the wireless sensing switching method according to the embodiment of the present application is described in detail above with reference to FIGS. 2 to 6 .
  • a wireless sensing switching method according to another embodiment of the present application will be described in detail below with reference to FIG. 7 . It can be understood that the interaction between the second device and the first device described from the second device is the same as or corresponds to the description on the first device side in the method shown in FIG. 2. To avoid duplication, the relevant description is appropriately omitted.
  • Figure 7 is a schematic flow chart of the implementation of the wireless sensing switching method according to the embodiment of the present application, which can be applied to the second device. As shown in Figure 7, the method 700 includes the following steps.
  • the second device receives the first signaling from the first device.
  • the first signaling includes at least one of the following: first indication information; first information; sensing signal parameters; wherein the first indication information It is used to indicate that the device that receives the first signaling is a device that performs the sensing service after handover; the first information is used to perform the sensing service; and the sensing signal parameters are used to perform the sensing service.
  • the first information is used to perform the sensing service, and optionally, the first information is used to obtain the sensing signal parameters.
  • the device that receives the first signaling is a second device that performs sensing services after handover.
  • the first device is a sensing function network element
  • the sensing function network element determines a second device that performs sensing services after switching
  • the sensing function network element sends a first signaling to the second device, and the first signaling is used to The device that received the first signaling is notified to be selected as the second device.
  • S704 The second device performs the sensing service according to the first signaling.
  • the second device receives the first signaling from the first device, and the first signaling includes at least one of the following: first indication information; first information; sensing signal parameters; where, The first indication information is used to indicate that the device that receives the first signaling is a device that performs sensing services after handover; the first information is used to perform the sensing services; and the sensing signal parameters are used to perform the sensing services.
  • Sensing the service the second device performs the sensing service according to the first signaling.
  • the embodiments of the present application are conducive to switching the device that performs the sensing service, avoiding interruption of the sensing service, allowing the sensing service to continue to be executed, and improving the sensing quality of the sensing service.
  • the second device performing the sensing service includes: the second device determines sensing signal parameters corresponding to the second device; the second device performs the sensing service according to the sensing signal parameters to obtain a second data, and perform at least one of the following: 1) perform signal processing and/or data processing on the second data to obtain a third indicator; 2) perform signal processing and/or data processing on the second data to obtain an intermediate measurement quantity or intermediate sensing results, and send the intermediate measurement quantity or intermediate sensing results to the sensing function network element; 3) send the second data to the sensing function network element.
  • the second device may also send the third indicator to the sensing function network element.
  • the method further includes: the second device sending third signaling, the third signaling being used to indicate that the second device agrees to perform the sensing service. It can be understood that in other embodiments, the second device may also send third signaling, and the third signaling is used to instruct the second device to refuse to perform the sensing service.
  • the method further includes: the second device determines that the third indicator meets the requirements of the sixth threshold, reports the result to the third device, and the third device stops executing the sensing service.
  • the method further includes: the third device determines that the third indicator meets the requirements of the sixth threshold, reports the result to the sensing function network element, and the sensing function network element sends a fourth signaling to the third device to instruct the third device Stop performing sensing services.
  • FIG 8 is a schematic structural diagram of a first device according to an embodiment of the present application. As shown in Figure 8, the first device 800 includes the following modules.
  • Determining module 802 is used to determine whether the device used to perform the sensing service needs to be switched.
  • Execution module 804 configured to perform a first operation when it is determined that a device that performs sensing services needs to be switched.
  • the first operation includes at least one of the following: determining a second device that performs sensing services after switching; determining a candidate device list , the candidate device list includes at least one candidate device.
  • the determination module determines whether it is necessary to switch the device used to perform sensing services. If switching is required, the execution module performs a first operation.
  • the first operation includes at least one of the following: determining whether to perform sensing after switching. a second device that knows the service; and determine a candidate device list including at least one candidate device.
  • the situation where the device that performs the sensing service needs to be switched includes: the device that performs the sensing service before switching meets at least one of the following: 1) the first indicator does not meet the requirements of the first threshold, the The first indicator includes at least one of the following: sensing measurement quantity, sensing result, performance indicator related to the sensing measurement quantity, performance indicator related to the sensing result; 2) Insufficient resources for executing the sensing service; 3) Software or hardware occurrence question.
  • the device further includes an acquisition module for acquiring a first indicator, where the first indicator includes at least one of the following: a perceptual measurement quantity, a perceptual result, and a performance indicator related to the perceptual measurement quantity, Relevant performance indicators for perceived outcomes.
  • the execution module 804 is further configured to: compare the first indicator with a second threshold to determine whether perception adaptive adjustment is required; if the first indicator does not meet If the requirements of the second threshold are met, adaptive sensing adjustment is performed; wherein the adaptive sensing adjustment includes adjusting sensing signal parameters, and the sensing signal parameters are used to perform the sensing service.
  • the execution module 804 is also configured to: if the sensing signal parameter has been adjusted to a limit value within the allowable range, and the first indicator does not meet the requirements of the second threshold , then perform the step of determining whether it is necessary to switch the device used to perform the sensing service; or, if the first indicator meets the requirements of the second threshold, perform the step of obtaining the first indicator.
  • the first device 800 may refer to the process corresponding to the method 200 of the embodiment of the present application, and each unit/module in the first device 800 and the above-mentioned other operations and/or functions are respectively intended to implement the method 200.
  • the corresponding process can achieve the same or equivalent technical effect. For the sake of simplicity, it will not be described again here.
  • the first device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a terminal or other devices other than the terminal.
  • terminals may include but are not limited to the types of terminals 11 listed above, and other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiment of this application.
  • NAS Network Attached Storage
  • FIG 9 is a schematic structural diagram of a second device according to an embodiment of the present application. As shown in Figure 9, the second device 900 includes the following modules.
  • Receiving module 902 configured to receive first signaling from the first device, where the first signaling includes at least one of the following: first indication information; first information; sensing signal parameters; wherein the first indication The information is used to indicate that the device that receives the first signaling is a device that performs the sensing service after handover; the first information is used to perform the sensing service; and the sensing signal parameters are used to perform the sensing service.
  • Execution module 904 configured to execute the sensing service according to the first signaling.
  • the receiving module receives the first signaling from the first device, and the first signaling includes at least one of the following: first indication information; first information; sensing signal parameters; wherein, the The first indication information is used to refer to Indicates that the device that receives the first signaling is a device that performs the sensing service after switching; the first information is used to perform the sensing service; the sensing signal parameters are used to perform the sensing service; the execution module performs the sensing service according to the The first signaling executes the sensing service.
  • the embodiments of the present application are conducive to switching the device that performs the sensing service, avoiding interruption of the sensing service, allowing the sensing service to continue to be executed, and improving the sensing quality of the sensing service.
  • the execution module 904 is configured to: determine sensing signal parameters corresponding to the second device; perform sensing services according to the sensing signal parameters to obtain the second data; and perform at least one of the following: 1) Perform signal processing and/or data processing on the second data to obtain a third indicator; 2) Perform signal processing and/or data processing on the second data to obtain an intermediate measurement quantity or intermediate sensing result, and use the The intermediate measurement quantity or intermediate sensing result is sent to the sensing function network element; 3) The second data is sent to the sensing function network element.
  • the second device 900 can refer to the process corresponding to the method 700 of the embodiment of the present application, and each unit/module in the second device 900 and the above-mentioned other operations and/or functions are respectively intended to implement the method 700.
  • the corresponding process can achieve the same or equivalent technical effect. For the sake of simplicity, it will not be described again here.
  • the first device/second device provided by the embodiments of the present application can implement each process implemented by the method embodiments in Figures 2 to 7 and achieve the same technical effect. To avoid duplication, details will not be described here.
  • this embodiment of the present application also provides a communication device 1000, which includes a processor 1001 and a memory 1002.
  • the memory 1002 stores programs or instructions that can be run on the processor 1001, such as , when the communication device 1000 is a terminal, when the program or instruction is executed by the processor 1001, each step of the above wireless sensing switching method embodiment is implemented, and the same technical effect can be achieved.
  • the communication device 1000 is a network-side device, when the program or instruction is executed by the processor 1001, each step of the above wireless sensing switching method embodiment is implemented, and the same technical effect can be achieved. To avoid duplication, the details are not repeated here.
  • Embodiments of the present application also provide a terminal, including a processor and a communication interface.
  • the processor is used to determine whether a device for performing sensing services needs to be switched. When it is determined that a device for performing sensing services needs to be switched, perform the first step. Operation, the first operation includes at least one of the following: determining a second device that performs sensing services after handover; determining a candidate device list, where the candidate device list includes at least one candidate device.
  • the communication interface is used to receive first signaling from the first device, where the first signaling includes at least one of the following: first indication information; first information; sensing signal parameters; wherein, the first An indication information is used to indicate that the device that receives the first signaling is a device that performs the sensing service after handover; the first information is used to perform the sensing service; the sensing signal parameters are used to perform the sensing service ;
  • the processor is configured to execute the sensing service according to the first signaling.
  • FIG. 11 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 1100 includes but is not limited to: a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, a processor 1110, etc. At least some parts.
  • the terminal 1100 may also include a power supply (such as a battery) that supplies power to various components.
  • the power supply can be logically connected to the processor 1110 through the power management system, so that functions such as charging, discharging, and power consumption management can be implemented through the power management system.
  • the terminal structure shown in FIG. 11 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.
  • the input unit 1104 may include a graphics processing unit (GPU) 11041 and a microphone 11042.
  • the GPU 11041 is used for recording data by an image capture device (such as a camera) in the video capture mode or the image capture mode.
  • the image data obtained from still pictures or videos is processed.
  • the display unit 1106 may include a display panel 11061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1107 includes at least one of a touch panel 11071 and other input devices 11072 .
  • Touch panel 11071 also called touch screen.
  • the touch panel 11071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 11072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
  • the radio frequency unit 1101 after receiving downlink data from the network side device, the radio frequency unit 1101 can transmit it to the processor 1110 for processing; in addition, the radio frequency unit 1101 can send uplink data to the network side device.
  • the radio frequency unit 1101 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
  • Memory 1109 may be used to store software programs or instructions as well as various data.
  • the memory 1109 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc.
  • memory 1109 may include volatile memory or nonvolatile memory, or memory 1109 may include both volatile and nonvolatile memory.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory.
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory Synchronous DRAM, SDRAM
  • Double data rate synchronous dynamic random access memory Double Data Rate SDRAM, DDRSDRAM
  • Enhanced SDRAM, ESDRAM synchronous link dynamic random access memory
  • Synch link DRAM synchronous link dynamic random access memory
  • SLDRAM direct memory bus random access memory
  • the processor 1110 may include one or more processing units; optionally, the processor 1110 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1110.
  • the processor 1110 is used to determine whether it is necessary to switch the device for performing the sensing service; when it is determined that the device for performing the sensing service needs to be switched, perform a first operation, and the first operation includes at least one of the following: Determine a second device that performs the sensing service after the handover; determine a candidate device list, where the candidate device list includes at least one candidate device.
  • the radio frequency unit 1101 is configured to receive first signaling from the first device, where the first signaling includes at least one of the following: first indication information; first information; sensing signal parameters; wherein, the The first indication information is used to indicate that the device that receives the first signaling is a device that performs the sensing service after handover; the first information is used to perform the sensing service; and the sensing signal parameters are used to perform the sensing service.
  • Service the processor 1110 is configured to execute the sensing service according to the first signaling.
  • the embodiments of the present application are conducive to switching the device that performs the sensing service, avoiding interruption of the sensing service, allowing the sensing service to continue to be executed, and improving the sensing quality of the sensing service.
  • the terminal 1100 provided by the embodiment of the present application can also implement each process of the above wireless sensing switching method embodiment, and can achieve the same technical effect. To avoid duplication, the details will not be described here.
  • Embodiments of the present application also provide a network side device, including a processor and a communication interface.
  • the processor is used to determine whether a device for performing sensing services needs to be switched; when it is determined that a device for performing sensing services needs to be switched, perform A first operation, the first operation includes at least one of the following: determining a second device that performs sensing services after handover; determining a candidate device list, where the candidate device list includes at least one candidate device.
  • the communication interface is used to receive first signaling from the first device, where the first signaling includes at least one of the following: first indication information; first information; sensing signal parameters; wherein, the first An indication information is used to indicate that the device that receives the first signaling is a device that performs the sensing service after handover; the first information is used to perform the sensing service; the sensing signal parameters are used to perform the sensing service ;
  • the processor is configured to execute the sensing service according to the first signaling.
  • This network-side device embodiment corresponds to the above-mentioned first device or second device method embodiment.
  • Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect. .
  • the embodiment of the present application also provides a network side device.
  • the network side device 1200 includes: an antenna 121 , a radio frequency device 122 , a baseband device 123 , a processor 124 and a memory 125 .
  • the antenna 121 is connected to the radio frequency device 122 .
  • the radio frequency device 122 receives information through the antenna 121 and sends the received information to the baseband device 123 for processing.
  • the baseband device 123 processes the information to be sent and sends it to the radio frequency device 122.
  • the radio frequency device 122 processes the received information and then sends it out through the antenna 121.
  • the method performed by the network side device in the above embodiment can be implemented in the baseband device 123, which includes a baseband processor.
  • the baseband device 123 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.
  • the network side device may also include a network interface 126, which is, for example, a common public radio interface (CPRI).
  • a network interface 126 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 1200 in the embodiment of the present application also includes: instructions or programs stored in the memory 125 and executable on the processor 124.
  • the processor 124 calls the instructions or programs in the memory 125 to execute Figure 8 or Figure 9
  • the execution methods of each module are shown and achieve the same technical effect. To avoid repetition, they will not be described in detail here.
  • the network side device 1300 includes: a processor 1301, a network interface 1302, and a memory 1303.
  • the network interface 1302 is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 1300 in the embodiment of the present application also includes: instructions or programs stored in the memory 1303 and executable on the processor 1301.
  • the processor 1301 calls the instructions or programs in the memory 1303 to execute Figure 8 or Figure 9
  • the execution methods of each module are shown and achieve the same technical effect. To avoid repetition, they will not be described in detail here.
  • Embodiments of the present application also provide a readable storage medium.
  • Programs or instructions are stored on the readable storage medium.
  • the program or instructions are executed by a processor, each process of the above wireless sensing switching method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, etc.
  • An embodiment of the present application further provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the above embodiments of the wireless sensing switching method. Each process can achieve the same technical effect. To avoid repetition, we will not go into details here.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application further provide a computer program/program product.
  • the computer program/program product is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the above wireless sensing switching method.
  • Each process in the example can achieve the same technical effect. To avoid repetition, we will not repeat it here.
  • An embodiment of the present application also provides a wireless sensing switching system, including: a first device and a second device.
  • the first device can be used to perform the steps of the wireless sensing switching method as described above.
  • the second device can be used to Perform the steps of the wireless sensing switching method as described above.
  • the technical solution of the present application essentially contributes to the existing technology.
  • the contribution part can be embodied in the form of a computer software product.
  • the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes a number of instructions to make a terminal (can be a mobile phone, computer , server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of this application.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

Les modes de réalisation de la présente demande relèvent du domaine technique des communications. Sont divulgués un procédé de commutation de détection sans fil et un dispositif associé. Dans les modes de réalisation de la présente demande, le procédé de commutation de détection sans fil comprend les étapes au cours desquelles : un premier dispositif détermine si un dispositif qui est utilisé pour exécuter un service de détection doit être commuté ; et, le cas échéant, le premier dispositif exécute une première opération, la première opération consistant à déterminer un second dispositif qui est utilisé pour exécuter le service de détection après la commutation et/ou déterminer une liste de dispositifs candidats, la liste de dispositifs candidats contenant au moins un dispositif candidat.
PCT/CN2023/096550 2022-05-30 2023-05-26 Procédé de commutation de détection sans fil et dispositif associé WO2023231921A1 (fr)

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CN202210603483.9A CN117202278A (zh) 2022-05-30 2022-05-30 无线感知切换方法及设备
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Citations (4)

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US20060019663A1 (en) * 2004-07-12 2006-01-26 Interdigital Technology Corporation Robust and fast handover in a wireless local area network
CN104904250A (zh) * 2012-11-06 2015-09-09 发尔泰公司 上下文感知的无线漫游
CN109814143A (zh) * 2019-02-19 2019-05-28 百度在线网络技术（北京）有限公司 自动驾驶车辆的感知定位切换方法、装置、服务器及系统
CN114554562A (zh) * 2022-04-14 2022-05-27 中国联合网络通信集团有限公司 邻区切换方法、装置、基站及存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060019663A1 (en) * 2004-07-12 2006-01-26 Interdigital Technology Corporation Robust and fast handover in a wireless local area network
CN104904250A (zh) * 2012-11-06 2015-09-09 发尔泰公司 上下文感知的无线漫游
CN109814143A (zh) * 2019-02-19 2019-05-28 百度在线网络技术（北京）有限公司 自动驾驶车辆的感知定位切换方法、装置、服务器及系统
CN114554562A (zh) * 2022-04-14 2022-05-27 中国联合网络通信集团有限公司 邻区切换方法、装置、基站及存储介质

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